gtl_type is set to an ivar by the caller, so just do it there
gtl_type is set to an ivar by the caller, so just do it there

we don't need to set the ivar multiple times
(transferred from ManageIQ/manageiq@40354b463beea8748c34b18949e0e08598a2ca27)

ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic